[Snazzie]

Change

• Keep recording splitting and background processing available when another instance occupies the UDP telemetry port. Report the capture error without leaving processing stuck at zero.
• Treat inconclusive historical lap classification as a valid limited result, not a failed run. Correct earlier ambiguous failures without replaying recordings or changing saved lap data.
• Show neutral completion when only limited or unclassified results remain; reserve attention warnings for actual execution failures. Update completion text in all 16 supported locales.

Validation

• Reproduced the original stall with a real UDP port collision. Regression coverage now completes all three seeded recordings with both occupied and available UDP ports.
• Resumed the reported development instance: all nine recordings split successfully in 20 seconds with zero failures.
• Verified the live classification API and actual UI at 1440px and 390px: one classified, eight limited, zero failed; neutral completion with no attention warning. Existing recording attempts remained unchanged.
• Passed 40 backend E2E tests covering startup, classification, persisted-result correction, unchanged lap metadata, and genuine execution failures.
• Passed root typecheck, changed-path lint, and 11 changelog checks.
• Not run: the full Playwright upgrade scenario and repository-wide test suite.

PR checklist

• I have manually tested the change to validate that it is working.
• I have added or updated tests covering the changed observable behavior, or explained why tests are not applicable.
• My UI changes use locale messages for new or changed user-facing text, including accessibility labels, with all supported locale catalogs updated; or this change does not affect UI text.
• I have run relevant automated checks and reported any failures or checks not run.

[github-actions]

Replay benchmark comparison

Runtime: Bun 1.4.3; CPU: AMD Ryzen 9 7950X 16-Core Processor (32 logical); OS: linux 6.18.33.2-microsoft-standard-WSL2 x64

Launches: processes=2, retainedProcesses=5, retainedWarmups=1; warmup=1000ms, measurement=2000ms, samples=10-100; caseOrder=forward

Case	Baseline median	Current median	Estimated change (95% CI)	CI margin	Result
replay/parse 20,000 raw lap frames (CPU)	81304517.00	76315294.00	-1.86% (-6.44%, 7.92%)	7.18%	PASS
replay/parse 20,000 raw lap frames (retained heap)	12023.00	12023.00	-0.00% (-0.04%, 4.98%)	2.51%	PASS
replay/resolve 20,000 canonical envelopes (CPU)	63906159.00	65076034.00	-0.88% (-2.61%, 2.02%)	2.32%	PASS
replay/resolve 20,000 canonical envelopes (retained heap)	3545.00	3540.00	unmeasurable	—	INCONCLUSIVE

[github-actions]

App UI changes

Current PR screenshots compared with main.

Added: storybook ComboDash1

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Added: storybook SetupBrowser

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Added: storybook ReusableTable

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Changed: responsive mobile f125-tracks

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Added: storybook ForzaLiveDashboard

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Added: storybook ReusableAvatars

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Added: storybook AcEvoLiveDashboard

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Added: storybook ReusableSearchMultiSelect

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Added: storybook ReusableDropdownMenu

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Added: storybook ReusableCard

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Added: storybook theme-semantic-states

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Added: storybook F1LiveDashboard

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Added: storybook ReusableSearchSelect

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Added: storybook ReusableBadges

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Added: storybook AnalyseDataPanelParity

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Added: storybook IRacingLiveDashboard

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Added: storybook ReusablePanelSectionHeader

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Added: storybook ReusableButtons

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Added: storybook ReusableTabs

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Changed: responsive mobile f125-cars

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Added: storybook AnalyseVizPanel3D

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Added: storybook ReusableDialog

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Added: storybook SetupBrowserReadOnly

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Added: storybook ComboDash2

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Added: storybook AnalyseVizPanel3DViewMenuOpen

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Added: storybook AccLiveDashboard

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Added: storybook AnalyseTrackPanel

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Added: storybook ReusableCollapsible

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Added: storybook ReusableNoteModal

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_{Rendered from Storybook and responsive app screenshot tests against main.}